Home / 23,178,857.30-34,772,951.55-19,418,383.70

Finding the Fourth Proportional to 23,178,857.30, 34,772,951.55 and 19,418,383.70

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Solution

The fourth proportional to 23,178,857.30, 34,772,951.55 and 19,418,383.70 is: 29,131,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178,857.30 : 34,772,951.55 = 19,418,383.70 : x
  2. Step 2: Convert to fraction form
    23,178,857.30/34,772,951.55 = 19,418,383.70/x
  3. Step 3: Cross multiply
    23,178,857.30x = 34,772,951.55 × 19,418,383.70
  4. Step 4: Simplify right side
    23,178,857.30x = 675,234,515,579,409.62
  5. Step 5: Solve for x
    x = 675,234,515,579,409.62/23,178,857.30
  6. Step 6: Final answer
    x = 29,131,484.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.